Data-backed planning intelligence · 2,500,000+ decisions analysed across England

Rear Extension Approval Rates in Nottingham

Rear extensions are the bread and butter of UK planning — and one of the most common reasons homeowners face a refusal. Here's what 977 real decisions tell us about rear extension outcomes in Nottingham.

977 real decisions·January 2020 to present·Updated March 2026
94.2%
Approval Rate
977
Decisions
920
Approved
57
Refused
94.2% approved. But 57 refused since 2020. Each refusal cost the homeowner time and money on drawings and application fees. Understanding your local data before you apply is the difference between confidence and a costly gamble.

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Why rear extension approval rates matter

Rear extensions sit in the middle of the pack nationally. They're common enough that councils have clear precedent — but that cuts both ways. If your neighbours have been refused, that precedent works against you too.

Rear Extension approval rate by ward

#WardDecisionsApprovedRate
1Wollaton West (May 2019)66
100.0%
2Leen Valley (May 2019)55
100.0%
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These are council averages. Your property is specific.

Two houses on the same street can get different outcomes.
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How rear extensions compare to other project types

Not all applications are treated equally. Here's how rear extensions stack up against other common projects in Nottingham.

TypeDecisionsRate
Basement64
98.4%
Conservatory79
97.5%
Hip-to-Gable Conversion61
96.7%
Side Extension573
96.2%
Front Extension131
96.2%
Wraparound Extension124
96.0%
Extension (General)320
94.7%
Rear Extension977
94.2%
Outbuilding149
93.3%
Garage / Parking469
92.8%
Loft Conversion161
92.5%
Dormer361
92.2%
Annex70
91.4%
New Build111
91.0%
Flat Conversion37
89.2%
Change of Use (Residential)414
81.9%
HMO439
80.9%
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What the data tells us

1
94.2% of rear extension applications in Nottingham get approved. That means 57 homeowners since 2020 have been refused. Not terrible odds, but not a foregone conclusion.
3
Council averages are starting points, not guarantees. The decisions that matter most are the comparable ones near your specific property — because planning officers look at precedent, character and the immediate context of your street.

Before you spend £5,000+ on architects and drawings

57 rear extension applications in Nottingham have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.

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More Nottingham planning data

Nearby councils rear extension data

Methodology: Based on 977 planning decisions classified as rear extensions in Nottingham, January 2020 to present. Classification uses keyword matching against proposal descriptions (matching generate_site_data.py rules). A single application may appear in multiple categories. Approval rate = approved / (approved + refused). Pending, withdrawn and invalid applications excluded. Data from Nottingham Council's public planning portal. Full methodology →
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